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Finding the Fourth Proportional to 64,443.68, 96,654.16 and 17,059.20

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Solution

The fourth proportional to 64,443.68, 96,654.16 and 17,059.20 is: 25,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,443.68 : 96,654.16 = 17,059.20 : x
  2. Step 2: Convert to fraction form
    64,443.68/96,654.16 = 17,059.20/x
  3. Step 3: Cross multiply
    64,443.68x = 96,654.16 × 17,059.20
  4. Step 4: Simplify right side
    64,443.68x = 1,648,842,646.27
  5. Step 5: Solve for x
    x = 1,648,842,646.27/64,443.68
  6. Step 6: Final answer
    x = 25,585.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.